72220498 has 16 divisors (see below), whose sum is σ = 128076480. Its totient is φ = 29884176.

The previous prime is 72220493. The next prime is 72220513. The reversal of 72220498 is 89402227.

It is not an unprimeable number, because it can be changed into a prime (72220493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88536 + ... + 89347.

It is an arithmetic number, because the mean of its divisors is an integer number (8004780).

Almost surely, 2^72220498 is an apocalyptic number.

72220498 is a deficient number, since it is larger than the sum of its proper divisors (55855982).

72220498 is a wasteful number, since it uses less digits than its factorization.

72220498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177921.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 72220498 is about 8498.2644110430. The cubic root of 72220498 is about 416.4410117515.

The spelling of 72220498 in words is "seventy-two million, two hundred twenty thousand, four hundred ninety-eight".